Issue

Heap dump shows a large object of Java Static org.jenkinsci.plugins.pubsub.Message.jenkins.

Environment

• CloudBees Core
• CloudBees Core on modern cloud platforms - Managed Master
• CloudBees Core on modern cloud platforms - Operations Center
• CloudBees Core on traditional platforms - Client Master
• CloudBees Core on traditional platforms - Operations Center
• CloudBees Jenkins Enterprise
• CloudBees Jenkins Enterprise - Managed Master
• CloudBees Jenkins Enterprise - Operations Center
• CloudBees Jenkins Platform - Client Master
• CloudBees Jenkins Platform - Operations Center
• CloudBees Jenkins Distribution
• Jenkins LTS

Resolution

To address this issue, upgrade the Cloudbees Jsync Archiver (cloudbees-jsync-archiver) plugin to 5.9 or higher.

Tested product/plugin versions

cloudbees-jsync-archiver 5.9